<template>
    <div class="comment-reply-container">
      <!-- 顶部导航 -->
      <van-nav-bar title="暂无回复" fixed>
        <template #left>
          <van-icon name="cross" @click="$emit('closeReply')"/>
        </template>
      </van-nav-bar>

      <!-- 展示文章评论 -->
      <comment-item :comment="comment"></comment-item>

      <!-- 全部回复单元格 -->
      <van-cell title="全部回复"></van-cell>

      <!-- 回复列表 -->
      <comment-list
        ref="comment-list"
        :sourceId="comment.com_id"
        idType="c"
      ></comment-list>

      <!-- 底部区域 -->
      <div class="reply-bottom">
        <van-button
          size="small"
          round
          class="btn"
          @click="isPostShow = true"
        >
          写评论
        </van-button>
      </div>

      <!-- 评论提交弹框 -->
      <van-popup
        v-model="isPostShow"
        position="bottom"
      >
        <comment-post
          :targetId="comment.com_id"
          :artId="$route.params.articleId"
          @postSuccess="postSuccessFn"
        ></comment-post>
      </van-popup>
    </div>
  </template>

<script>
import CommentItem from './comment-item.vue'
import CommentList from './comment-list.vue'
import CommentPost from './comment-post.vue'
export default {
  name: 'CommentReply',
  components: {
    CommentItem,
    CommentList,
    CommentPost
  },
  props: {
    comment: {
      type: Object,
      default: () => ({})
    }
  },

  data () {
    return {
      isPostShow: false // 写评论弹框状态
    }
  },
  methods: {
    // 发布评论成功后触发的方法
    postSuccessFn (newComment) {
      this.isPostShow = false

      this.$refs['comment-list'].addComment(newComment)
    }
  }
}
</script>

  <style scoped lang="less">
  .comment-reply-container {
    padding-top: 46px;
    padding-bottom: 44px;

    .reply-bottom {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      height: 44px;
      background-color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;

      .btn {
        width: 60%;
      }
    }
  }
  </style>
